这篇文章基于 : https://www.jianshu.com/p/4b5da484d339 [ docker-compose + nginx 实现 简单灰度 (一) ]
nginx换成 openresty之后的版本:
docker-compose.yml 内容:
version: '3'
services:
myjava1:
image: registry.cn-hangzhou.aliyuncs.com/wuy2009123/tomcat8-1
container_name: myjava1
ports:
- 8081:8080
volumes:
- /root/tom/java-docker-compose/tomcat-users.xml:/usr/local/tomcat8/conf/tomcat-users.xml
- /root/tom/java-docker-compose/manager.xml:/usr/local/tomcat8/conf/Catalina/localhost/manager.xml
- /root/tom/java-docker-compose/index1.html:/usr/local/tomcat8/webapps/ROOT/index.html
command: ["catalina.sh","run"]
networks:
myjavanet:
myjava2:
image: registry.cn-hangzhou.aliyuncs.com/wuy2009123/tomcat8-1
container_name: myjava2
ports:
- 8082:8080
volumes:
- /root/tom/java-docker-compose/tomcat-users.xml:/usr/local/tomcat8/conf/tomcat-users.xml
- /root/tom/java-docker-compose/manager.xml:/usr/local/tomcat8/conf/Catalina/localhost/manager.xml
- /root/tom/java-docker-compose/index2.html:/usr/local/tomcat8/webapps/ROOT/index.html
command: ["catalina.sh","run"]
networks:
myjavanet:
openresty:
image: registry.cn-hangzhou.aliyuncs.com/wuy2009123/openresty-1
ports:
- 88:80
volumes:
- /root/tom/java-docker-compose/nginx.conf:/usr/local/openresty/nginx/conf/nginx.conf
networks:
myjavanet:
networks:
myjavanet:
driver: bridge
ipam:
config:
- subnet: 192.138.0.0/16
nginx.conf 内容:
#user nobody;
worker_processes 1;
#error_log logs/error.log;
#error_log logs/error.log notice;
#error_log logs/error.log info;
#pid logs/nginx.pid;
events {
worker_connections 1024;
}
http {
include mime.types;
default_type application/octet-stream;
#log_format main '$remote_addr - $remote_user [$time_local] "$request" '
# '$status $body_bytes_sent "$http_referer" '
# '"$http_user_agent" "$http_x_forwarded_for"';
#access_log logs/access.log main;
sendfile on;
#tcp_nopush on;
#keepalive_timeout 0;
keepalive_timeout 65;
#gzip on;
upstream mywebold {
server myjava1:8080 weight=1;
}
upstream mywebnew {
server myjava2:8080 weight=1;
}
server {
listen 80;
server_name localhost;
#charset koi8-r;
#access_log logs/host.access.log main;
set $weburl mywebold;
if ($remote_addr ~* "^192\.168\.203\.146$") {
set $weburl mywebnew;
}
add_header Myip $remote_addr; #加个自定义头，看效果
#location / {
# root html;
# index index.html index.htm;
#}
location / {
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_buffering off;
proxy_pass http://$weburl;
}
#error_page 404 /404.html;
# redirect server error pages to the static page /50x.html
#
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root html;
}
}
}